Updated citation and added Arxiv link

README.md

@@ -127,9 +127,14 @@ output = client.run(
 ```
 
 ## Citation
-To use this dataset, please cite the following paper:
+To use this dataset, please cite the following [paper](https://arxiv.org/abs/2405.15190):
 <pre>
-Shopping Queries Image Dataset (SQID): An Image-Enriched ESCI Dataset for Exploring Multimodal Learning in Product Search, M. Al Ghossein, C.W. Chen, J. Tang
+@article{alghossein2024sqid,
+  title={Shopping Queries Image Dataset (SQID): An Image-Enriched ESCI Dataset for Exploring Multimodal Learning in Product Search},
+  author={Al Ghossein, Marie and Chen, Ching-Wei and Tang, Jason},
+  journal={SIGIR Workshop on eCommerce},
+  year={2024}
+}
 </pre>