Update README.md

README.md

@@ -173,4 +173,16 @@ The rating evaluation follows [CodeELO](https://github.com/QwenLM/CodeElo) metho
 We are releasing the benchmark under the Creative Commons Attribution 4.0 International (CC-BY-4.0) license.
 
 ## Citation
-Please cite [Step-3.5-Flash](https://github.com/stepfun-ai/Step-3.5-Flash).
+If you find this project useful in your research, please cite our technical report:
+
+```
+@misc{huang2026step35flashopen,
+      title={Step 3.5 Flash: Open Frontier-Level Intelligence with 11B Active Parameters}, 
+      author={stepteam},
+      year={2026},
+      eprint={2602.10604},
+      archivePrefix={arXiv},
+      primaryClass={cs.CL},
+      url={https://arxiv.org/abs/2602.10604}, 
+}
+```