\bib{1979/rabin}
\yr 1979
\by Michael O. Rabin
\book Digitalized signatures and public-key functions as intractable as factorization
\bookinfo Technical Report 212
\publ MIT Laboratory for Computer Science
\url http://ncstrl.mit.edu/Dienst/UI/2.0/Describe/ncstrl.mit\_lcs/MIT/LCS/TR-212
\endref