Add paper citation

README.md

@@ -188,5 +188,13 @@ This work is funded by the Ministerio para la Transformación Digital y de la Fu
 ### Cite this dataset
 
 ```
-
+@inproceedings{rodriguez2026dograg,
+  title={{DOG-RAG}: A Galician Benchmark for Legal Retrieval-Augmented Generation},
+  author={Rodríguez, Pablo and Vázquez García, Raquel and Paniagua Suárez, Silvia and Botana López, Alberto and Gamallo, Pablo},
+  booktitle={Proceedings of the 42nd International Conference of the Spanish Society for Natural Language Processing (SEPLN 2026)},
+  address={León, Spain},
+  month={September},
+  year={2026},
+  publisher={CEUR-WS.org}
+}
 ```