Update README.md

Signed-off-by: hg-chung <[email protected]>

README.md

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 This is the repository that contains source code for the [DPIR website](https://hg-chung.github.io/DPIR/).
 
 If you find Nerfies useful for your work please cite:
-'''
+
 @article{chung2023differentiable,
   title={Differentiable Point-based Inverse Rendering},
   author={Chung, Hoon-Gyu and Choi, Seokjun and Baek, Seung-Hwan},
   journal={arXiv preprint arXiv:2312.02480},
   year={2023}
 }
-'''
 
 # Website License
 <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-sa/4.0/88x31.png" /></a><br />This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution-ShareAlike 4.0 International License</a>.