Update README.md

README.md

@@ -48,4 +48,14 @@ Achieved `train loss 0.3594, val loss 0.3710` on combined corpus after training
 
 ## Citation
 
-**Citation COMING SOON!**
+```bibtex
+@misc{tang2026generalizationmemorizationbrittlenesstesting,
+      title={Generalization or Memorization? Brittleness Testing for Chess-Trained Language Models}, 
+      author={Ethan Tang},
+      year={2026},
+      eprint={2605.17565},
+      archivePrefix={arXiv},
+      primaryClass={cs.AI},
+      url={https://arxiv.org/abs/2605.17565}, 
+}
+```