Update README.md

Update paper citation

README.md

@@ -105,6 +105,17 @@ Below is a description of the dataset fields and additional information about th
 - **efficiency**: True if this question needs optimization, measure the cost by Query Execution Plan (QEP)
 - **external_data**: For the external JSON data if present
 
+## 📄 Paper
+If you find our work helpful, please cite as:
+```
+@article{li2025swe,
+  title={SWE-SQL: Illuminating LLM Pathways to Solve User SQL Issues in Real-World Applications},
+  author={Li, Jinyang and Li, Xiaolong and Qu, Ge and Jacobsson, Per and Qin, Bowen and Hui, Binyuan and Si, Shuzheng and Huo, Nan and Xu, Xiaohan and Zhang, Yue and others},
+  journal={arXiv preprint arXiv:2506.18951},
+  year={2025}
+}
+```
+
 # Todo Lists
 
 - [x] Release lite version, bird-critic-1.0-flash (200).