Add link to paper page

This PR ensures the model shows up at https://huggingface.co/papers/2503.16397.

README.md

@@ -15,4 +15,15 @@ Project page: https://yandex-research.github.io/swd
 
 ## Usage
 To generate images using SwD, go to <a href="https://github.com/yandex-research/swd ">GitHub</a> 
-or <a href="https://huggingface.co/spaces/dbaranchuk/Scale-wise-Distillation">Hugging Face's demo </a>.
+or <a href="https://huggingface.co/spaces/dbaranchuk/Scale-wise-Distillation">Hugging Face's demo </a>.
+
+## Citation
+
+```bibtex
+@article{starodubcev2025swd,
+  title={Scale-wise Distillation of Diffusion Models},
+  author={Nikita Starodubcev and Denis Kuznedelev and Artem Babenko and Dmitry Baranchuk},
+  journal={arXiv preprint arXiv:2503.16397},
+  year={2025}
+}
+```