chore: add arxiv citation

README.md

@@ -26,4 +26,14 @@ Large Language Models (LLMs) have shown impressive performance on various benchm
 `difficulty` - the difficulty of the puzzle as rated by community contributors.
 
 ## Citation
-*To be added.*
+```
+@misc{lopez2024nytconnectionsdeceptivelysimpletext,
+      title={NYT-Connections: A Deceptively Simple Text Classification Task that Stumps System-1 Thinkers}, 
+      author={Angel Yahir Loredo Lopez and Tyler McDonald and Ali Emami},
+      year={2024},
+      eprint={2412.01621},
+      archivePrefix={arXiv},
+      primaryClass={cs.CL},
+      url={https://arxiv.org/abs/2412.01621}, 
+}
+```