Update README.md

README.md

@@ -23,7 +23,7 @@ UniSS supports English and Chinese now.
 ### Model Sources
 
 - **Repository:** https://github.com/cmots/UniSS
-- **Paper:** 
+- **Paper:** https://arxiv.org/pdf/2509.21144
 - **Demo:** https://cmots.github.io/uniss-demo
 
 ## Quick Start
@@ -116,5 +116,13 @@ More examples and details is on [Our Github Repo](https://github.com/cmots/UniSS
 ## Citation
 If you find our paper and code useful in your research, please consider giving a like and citation.
 ```bibtex
-
+@misc{cheng2025uniss_s2st,
+      title={UniSS: Unified Expressive Speech-to-Speech Translation with Your Voice}, 
+      author={Sitong Cheng and Weizhen Bian and Xinsheng Wang and Ruibin Yuan and Jianyi Chen and Shunshun Yin and Yike Guo and Wei Xue},
+      year={2025},
+      eprint={2509.21144},
+      archivePrefix={arXiv},
+      primaryClass={cs.SD},
+      url={https://arxiv.org/abs/2509.21144}, 
+}
 ```