Update README.md

README.md

@@ -28,4 +28,17 @@ Data are collected from three different tunnels.
   <em>Figure 2: Example of high-resolution images depicting the surface of the three tunnels..</em>
 </p>
 
-## Citation
+## Citation
+
+If you use this dataset in your research, please cite:
+
+```bibtex
+@misc{sjölander2025tacktunneldatattd,
+      title={TACK Tunnel Data (TTD): A Benchmark Dataset for Deep Learning-Based Defect Detection in Tunnels}, 
+      author={Andreas Sjölander and Valeria Belloni and Robel Fekadu and Andrea Nascetti},
+      year={2025},
+      eprint={2512.14477},
+      archivePrefix={arXiv},
+      primaryClass={cs.CV},
+      url={https://arxiv.org/abs/2512.14477}, 
+}