Koblitz, Neal. <br/><br/>
Course in number theory and cryptography   
by Neal Koblitz. 
 - New York  Springer-Verlag  1987 
 - 208p. 
 - Graduate texts in mathematics  114 .
<br/><br/><label>ISBN: </label>0387965769 
<br/><br/><label>Dewey Class. No.: </label>512.7  / N87