docs: update citation

README.md

@@ -91,22 +91,15 @@ This dataset was constructed by collecting all [GDPRHub](https://gdprhub.eu/inde
 This dataset is licensed under the same license as [GDPRHub](https://gdprhub.eu/index.php?title=Welcome_to_GDPRhub), [CC BY NC SA 4.0](https://choosealicense.com/licenses/cc-by-nc-sa-4.0/), which permits non-commercial use only of this dataset as long as appropriate attribution is made and derivative works are issued under the same license.
 
 ## Citation 🔖
-If you use this dataset, please cite [MLEB](https://isaacus.com/mleb) as well.
+If you use this dataset, please cite the [Massive Legal Embeddings Benchmark (MLEB)](https://arxiv.org/abs/2510.19365):
 ```bibtex
-@misc{butler-2025-gdpr-holdings-retrieval,
-    author = {Butler, Umar and Butler, Abdur-Rahman},
-    year = {2025},
-    title = {GDPR Holdings Retrieval},
-    publisher = {Isaacus},
-    version = {0.1.0},
-    url = {https://huggingface.co/datasets/isaacus/gdprhub}
-}
-
-@misc{mleb-2025,
-  title={Massive Legal Embedding Benchmark (MLEB)},
-  author={Umar Butler and Abdur-Rahman Butler},
-  year={2025},
-  url={https://isaacus.com/blog/introducing-mleb},
-  publisher={Isaacus}
+@misc{butler2025massivelegalembeddingbenchmark,
+      title={The Massive Legal Embedding Benchmark (MLEB)}, 
+      author={Umar Butler and Abdur-Rahman Butler and Adrian Lucas Malec},
+      year={2025},
+      eprint={2510.19365},
+      archivePrefix={arXiv},
+      primaryClass={cs.CL},
+      url={https://arxiv.org/abs/2510.19365}, 
 }
 ```