Modifications to a previous proof of the security of EPR-based quantum key distribution are proposed. This modified version applies to a protocol using three conjugate measurement bases rather than two. A higher tolerable error rate is obtained for the three-basis protocol.
@article{arxiv.quant-ph/0008076,
title = {Security of EPR-based Quantum Key Distribution using three bases},
author = {Hitoshi Inamori},
journal= {arXiv preprint arXiv:quant-ph/0008076},
year = {2007}
}