Update README.md

README.md

@@ -6,4 +6,12 @@ license: mit
 
 e1-proof contains mathematics olympiad problems and proofs. The proofs were sourced from Evan Chen's website (https://web.evanchen.cc/problems.html) and are provided here for the use of the community with Evan's permission.
 
-This dataset was collected in this work: [Didactic to Constructive: Turning Expert Solutions into Learnable Reasoning](https://arxiv.org/abs/2602.02405)
+This dataset was collected in this work: [Didactic to Constructive: Turning Expert Solutions into Learnable Reasoning](https://arxiv.org/abs/2602.02405). If you use this dataset, please cite this paper:
+```
+@article{mendes2026didactic,
+  title={Didactic to Constructive: Turning Expert Solutions into Learnable Reasoning},
+  author={Mendes, Ethan and Park, Jungsoo and Ritter, Alan},
+  journal={arXiv preprint arXiv:2602.02405},
+  year={2026}
+}
+```