Update README.md

README.md

@@ -64,10 +64,15 @@ generated_ids = [
 response = tokenizer.batch_decode(generated_ids, skip_special_tokens=True)[0]
 ```
 
-<!-- ## Citation
+## Citation
 
 If you find our work helpful, feel free to give us a citation.
 
 ```
-
-``` -->
+@article{zhang2025rlfr,
+  title={RLFR: Extending Reinforcement Learning for LLMs with Flow Environment},
+  author={Zhang, Jinghao and Zheng, Naishan and Li, Ruilin and Cheng, Dongzhou and Liang, Zheming and Zhao, Feng and Wang, Jiaqi},
+  journal={arXiv preprint arXiv:2510.10201},
+  year={2025}
+}
+```