Add Cra96

these.bib

@@ -2619,4 +2619,11 @@
   publisher = {Springer},
 }
 
+@PhdThesis{Cra96,
+  author = {Cramer, Ronald},
+  title  = {{Modular Design of Secure, yet Practical Cryptographic Protocols}},
+  school = {University of Amsterdam},
+  year   = {1996},
+}
+
 @Comment{jabref-meta: databaseType:bibtex;}