This book represents the refereed proceedings of the First International Conference on Pairing-Based Cryptography, Pairing 2007, held in Tokyo, Japan in July 2007.

The 18 revised full papers presented together with 2 abstracts and 3 full papers of invited talks were carefully reviewed and selected from 86 submissions. The papers are organized in topcial sections on applications, certificateless public key encryption, hyperelliptic curves, implementation, cryptographic protocols, cryptanalysis, and cryptographic algorithms.