Update README.md

README.md

@@ -90,7 +90,7 @@ size_categories:
 
 FractalDB 60 dataset from [Pre-training without Natural Images](https://hirokatsukataoka16.github.io/Pretraining-without-Natural-Images/).
 
-[Original repo](https://github.com/hirokatsukataoka16/FractalDB-Pretrained-ResNet-PyTorch) | [Project page](https://hirokatsukataoka16.github.io/Pretraining-without-Natural-Images/)
+[Original repo](https://github.com/hirokatsukataoka16/FractalDB-Pretrained-ResNet-PyTorch) | [Project page](https://hirokatsukataoka16.github.io/Pretraining-without-Natural-Images/) | [arXiv](https://arxiv.org/abs/2101.08515)
 
 ## Citing
 
@@ -108,4 +108,13 @@ FractalDB 60 dataset from [Pre-training without Natural Images](https://hirokats
   booktitle={Asian Conference on Computer Vision (ACCV)},
   year={2020},
 }
+
+@misc{kataoka2021pretraining,
+  title={Pre-training without Natural Images}, 
+  author={Hirokatsu Kataoka and Kazushige Okayasu and Asato Matsumoto and Eisuke Yamagata and Ryosuke Yamada and Nakamasa Inoue and Akio Nakamura and Yutaka Satoh},
+  year={2021},
+  eprint={2101.08515},
+  archivePrefix={arXiv},
+  primaryClass={cs.CV}
+}
 ```