Update README.md

README.md

@@ -274,6 +274,14 @@ print(tokenizer.decode(outputs[0], skip_special_tokens=True))
 
 ## 📚 Citation
 
+```bibtex
+@article{gao2025closing,
+  title={Closing the Data Loop: Using OpenDataArena to Engineer Superior Training Datasets},
+  author={Gao, Xin and Wang, Xiaoyang and Zhu, Yun and Cai, Mengzhang and He, Conghui and Wu, Lijun},
+  journal={arXiv preprint arXiv:2601.09733},
+  year={2025}
+}
+```
 ```bibtex
 @article{cai2025opendataarena,
   title={OpenDataArena: A Fair and Open Arena for Benchmarking Post-Training Dataset Value},