Update README.md

README.md

@@ -274,13 +274,19 @@ ChatGPT-4o evaluation results (scale 1-5):
 - **Cloud Provider:** INESC-ID
 - **Compute Region:** Lisbon, Portugal
 
+## Paper
+
+[ArXiv link](https://arxiv.org/abs/2502.13898).
 
 ## Citation
 
 **BibTeX:**
-
-[TODO]
-
+@article{Oliveira2025GroundCapAV,
+  title={GroundCap: A Visually Grounded Image Captioning Dataset},
+  author={Daniel A. P. Oliveira and Louren{ç}o Teodoro and David Martins de Matos},
+  year={2025},
+  url={https://api.semanticscholar.org/CorpusID:276450057}
+}
 
 ## Model Card Authors