Update README.md

README.md

@@ -65,11 +65,14 @@ The models have been fine-tuned using a dataset mix with outputs generated from
 ## Citation 
 
 ```
-@misc{RewardBench2,
-    title={RewardBench 2: Advancing Reward Model Evaluation},
-    author={Malik, Saumya and Pyatkin, Valentina and Land, Sander and Morrison, Jacob and Smith, Noah A. and Hajishirzi, Hannaneh and Lambert, Nathan},
-    year={2025},
-    howpublished={\url{https://huggingface.co/spaces/allenai/reward-bench}},
+@misc{malik2025rewardbench2advancingreward,
+      title={RewardBench 2: Advancing Reward Model Evaluation}, 
+      author={Saumya Malik and Valentina Pyatkin and Sander Land and Jacob Morrison and Noah A. Smith and Hannaneh Hajishirzi and Nathan Lambert},
+      year={2025},
+      eprint={2506.01937},
+      archivePrefix={arXiv},
+      primaryClass={cs.CL},
+      url={https://arxiv.org/abs/2506.01937}, 
 }
 ```