Update README.md

README.md

@@ -304,10 +304,18 @@ No personally identifiable information (PII) is present.
 
 ---
 
-# TODO Before Publishing
-
-- Update repository URL to the actual GitHub repository
-- Confirm final license choice:
-  - `CC BY 4.0`
-  - or `CC BY-NC 4.0` if non-commercial only
-- Add citation / BibTeX entry for versioned referencing
+## Citation
+
+If you use this dataset, please cite:
+
+```bibtex
+@dataset{mishra2026medlens,
+  author       = {Ashutosh Mishra},
+  title        = {MedLens: Multi-Regional Drug-Drug Interaction (DDI) Evidence Dataset},
+  year         = {2026},
+  publisher    = {Hugging Face},
+  url          = {https://huggingface.co/datasets/ASHu2/medlens},
+  version      = {1.0},
+  license      = {CC-BY-4.0}
+}
+```