Update README.md

README.md

@@ -89,13 +89,10 @@ bash train.sh {METHOD} {PRETRAIN_PATH} {DATA_PATH} {REWARD_API}
 ## Citation
 
 ```bibtex
-@misc{su2025expandingrlverifiablerewards,
-      title={Expanding RL with Verifiable Rewards Across Diverse Domains}, 
-      author={Yi Su and Dian Yu and Linfeng Song and Juntao Li and Haitao Mi and Zhaopeng Tu and Min Zhang and Dong Yu},
-      year={2025},
-      eprint={2503.23829},
-      archivePrefix={arXiv},
-      primaryClass={cs.CL},
-      url={https://arxiv.org/abs/2503.23829}, 
+@article{su2025expanding,
+  title={Expanding RL with Verifiable Rewards Across Diverse Domains},
+  author={Su, Yi and Yu, Dian and Song, Linfeng and Li, Juntao and Mi, Haitao and Tu, Zhaopeng and Zhang, Min and Yu, Dong},
+  journal={arXiv preprint arXiv:2503.23829},
+  year={2025}
 }
 ```