Yohei Watanabe received B.E., M.E. and Ph.D. degrees in information science from Yokohama National University in 2011, 2013 and 2016, respectively. He was also a JSPS Research Fellow (DC1) during his Ph.D. course. He is currently JSPS Researh Fellow (PD) at the University of Electro-Communications and also a Collaborative Researcher at AIST. His research interests include cryptography and information security, especially unconditional cryptography and pairing-based cryptography. He received the CSS Student Paper Prize from IPSJ in 2014, the Best Poster Award in the 9th International Workshop on Security (IWSEC 2014), and the SCIS Paper Prize from IEICE in 2016. He was invited to 4th Heidelberg Laureate Forum as one of the selected young researchers.