Update README.md

README.md

@@ -101,6 +101,17 @@ This dataset provides rich opportunities for various machine learning tasks:
 
 ### Citations
 
-For dataset usage, please cite:
+### Citations
+
+For dataset usage, please cite the original paper using the following BibTeX entry:
 
-- Original paper: hep-th/9805190
+```bibtex
+@misc{kreuzer1998classification,
+      title={Classification of Reflexive Polyhedra in Three Dimensions}, 
+      author={M. Kreuzer and H. Skarke},
+      year={1998},
+      eprint={hep-th/9805190},
+      archivePrefix={arXiv},
+      primaryClass={hep-th}
+}
+```