Update README.md

README.md

@@ -205,6 +205,17 @@ Other sparse attention frameworks I would highly recommend is <a href="https://g
 }
 ```
 
+```bibtex
+@misc{touvron2020training,
+    title={Training data-efficient image transformers & distillation through attention}, 
+    author={Hugo Touvron and Matthieu Cord and Matthijs Douze and Francisco Massa and Alexandre Sablayrolles and Hervé Jégou},
+    year={2020},
+    eprint={2012.12877},
+    archivePrefix={arXiv},
+    primaryClass={cs.CV}
+}
+```
+
 ```bibtex
 @misc{vaswani2017attention,
     title   = {Attention Is All You Need},