\bib{1985/hastad} \yr 1985 \by Johan H\r astad \by Adi Shamir \paper The cryptographic security of truncated linearly related variables \inbook \cite{1985/-stoc} \pages 356--362 \url http://cr.yp.to/\allowbreak bib/\allowbreak entries.html#\allowbreak 1985/\allowbreak hastad \endref