@article{ref1,
title="Not so secure after all",
journal="Nature",
year="2007",
author="Cressey, Daniel",
volume="448",
number="7155",
pages="732-733",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0028-0836",
doi="10.1038/448732a",
url="http://dx.doi.org/10.1038/448732a"
}