Update README.md

README.md

@@ -22,6 +22,9 @@ You can download benchmark set **APEACH**. `APEACH/test.csv` in this repositor
 
 ![](resource/dist_lengths.png)
 
+## Paper
+- https://arxiv.org/pdf/2202.12459.pdf
+
 ## Experiment Results
 
 | Name | Beep! Dev Dataset | Apeach (Ours) |
@@ -49,5 +52,3 @@ The main contributors of the work ( * : equal contribution) :
 <a rel="license" href="https://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 [Creative Commons Attribution-ShareAlike 4.0 International License](https://creativecommons.org/licenses/by-sa/4.0/).
-
-## Reference