Update README.md

README.md

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     path: data/train-*
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-Dataset for the paper RESTOR: Knowledge Recovery in Machine Unlearning;
+## Citation
 
-github repo: https://github.com/k1rezaei/restor
+If you use this dataset, please cite:
+
+**RESTOR: Knowledge Recovery in Machine Unlearning**  
+Keivan Rezaei, Khyathi Chandu, Soheil Feizi, Yejin Choi, Faeze Brahman, Abhilasha Ravichander
+
+[https://arxiv.org/abs/2411.00204](https://arxiv.org/abs/2411.00204)
+
+github repo: https://github.com/k1rezaei/restor