Update README.org

README.org

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 * ESPnet extensions for semi-supervised end-to-end speech recognition
 
 This repository contains evaluation scripts used in our paper
-#+begin_quote
-Shigeki Karita, Shinji Watanabe, Tomoharu Iwata, Atsunori Ogawa, Marc Delcroix, "Semi-Supervised End-to-End Speech Recognition," INTERSPEECH, 2018
-#+end_quote
-A PDF file will be available in [[https://www.isca-speech.org/iscaweb/index.php/archive/online-archive][ISCA Online Archive]].
+#+begin_src bibtex
+@inproceedings{Karita2018,
+  author={Shigeki Karita and Shinji Watanabe and Tomoharu Iwata and Atsunori Ogawa and Marc Delcroix},
+  title={Semi-Supervised End-to-End Speech Recognition},
+  year=2018,
+  booktitle={Proc. Interspeech 2018},
+  pages={2--6},
+  doi={10.21437/Interspeech.2018-1746},
+  url={http://dx.doi.org/10.21437/Interspeech.2018-1746}
+}
+#+end_src
+Full PDF is available in [[https://www.isca-speech.org/archive/Interspeech_2018/abstracts/1746.html]].
 
 ** how to setup