Update README.md

README.md

@@ -116,11 +116,13 @@ The SpeechBrain team does not provide any warranty on the performance achieved b
       booktitle={ICASSP 2021}
 }
 
-@misc{subakan2022sepformer
-  author = {Subakan, Cem and Ravanelli, Mirco and Cornell, Samuele and Grondin, Francois and Bronzi, Mirko},
-  title = {On Using Transformers for Speech-Separation},
-  year = {2022},
-  copyright = {arXiv.org perpetual, non-exclusive license}
+@article{subakan2023exploring,
+  author={Subakan, Cem and Ravanelli, Mirco and Cornell, Samuele and Grondin, François and Bronzi, Mirko},
+  journal={IEEE/ACM Transactions on Audio, Speech, and Language Processing}, 
+  title={Exploring Self-Attention Mechanisms for Speech Separation}, 
+  year={2023},
+  volume={31},
+  pages={2169-2180},
 }
 
 ```