Update README.md

README.md

@@ -29,3 +29,19 @@ harbor run \
 ```
 
 Replace the model ID and provide the corresponding API credentials. The command runs the full dataset with four concurrent trials; use `-l 1` for a one-task smoke test. Results are written under `jobs/` by default.
+
+## Citation
+
+If you find our work helpful, feel free to give us a cite.
+
+```
+@misc{yang2026programgym,
+      title={ProgramGym: Scaling Training Environments for Long-Horizon Program Reproduction Agents},
+      author={Chengyi Yang and Renxu Bao and Jue Hou and Zongpei Teng and Ziheng Wang and Yujie Lin and Chengsong Huang and Junnan Zhu and Delai Qiu and Yining Wang and Shengping Liu and Fei Long and Jinsong Su},
+      year={2026},
+      eprint={2610.13395},
+      archivePrefix={arXiv},
+      primaryClass={cs.SE},
+      url={https://arxiv.org/abs/2610.13395},
+}
+```