Update README.md

README.md

@@ -39,7 +39,15 @@ with torch.no_grad():
 If `StainNet` is helpful to you, please cite our work.
 
 ```
-The preprint paper will be available soon.
+@misc{li2025stainnet,
+      title={StainNet: A Special Staining Self-Supervised Vision Transformer for Computational Pathology}, 
+      author={Jiawen Li and Jiali Hu and Xitong Ling and Yongqiang Lv and Yuxuan Chen and Yizhi Wang and Tian Guan and Yifei Liu and Yonghong He},
+      year={2025},
+      eprint={2512.10326},
+      archivePrefix={arXiv},
+      primaryClass={cs.CV},
+      url={https://arxiv.org/abs/2512.10326}, 
+}
 ```
 
 ## References