Update README.md

README.md

@@ -7,4 +7,13 @@ This is the Qwen3-8B-Base model trained by GRPO Ground Truth method using MATH t
 
 If you are interested in Co-Reward, you can find more details on our Github Repo [https://github.com/tmlr-group/Co-Reward].
 
-## Citation
+## Citation
+
+```
+@article{zhang2025coreward,
+      title={Co-Reward: Self-supervised Reinforcement Learning for Large Language Model Reasoning via Contrastive Agreement}, 
+      author={Zizhuo Zhang and Jianing Zhu and Xinmu Ge and Zihua Zhao and Zhanke Zhou and Xuan Li and Xiao Feng and Jiangchao Yao and Bo Han},
+      journal={arXiv preprint arXiv:2508.00410}
+      year={2025},
+}
+```