Update README.md

README.md

@@ -105,6 +105,22 @@ example["label"].show()
 - **Dataset**: [CC BY-NC-SA 4.0](https://creativecommons.org/licenses/by-nc-sa/4.0/)
 - **Source**: BD ORTHO / BD TOPO by IGN France under [Licence Ouverte 2.0](https://www.etalab.gouv.fr/licence-ouverte-open-licence/)
 
+## Citation
+
+If you use FOTBCD in your research, please cite our paper:
+
+```bibtex
+@misc{moubane2026fotbcd,
+      title={FOTBCD: A Large-Scale Building Change Detection Benchmark from French Orthophotos and Topographic Data},
+      author={Abdelrrahman Moubane},
+      year={2026},
+      eprint={2601.22596},
+      archivePrefix={arXiv},
+      primaryClass={cs.CV},
+      url={https://arxiv.org/abs/2601.22596},
+}
+```
+
 ## Contact
 
 Commercial licensing (FOTBCD-220k): **info@retgen.ai**