Add bib

these.bib

@@ -1907,7 +1907,7 @@
 
 @InProceedings{LLNW14,
   author    = {Langlois, Adeline and Ling, San and Nguyen, Khoa and Wang, Huaxiong},
-  title     = {Lattice-based group signature scheme with verifier-local revocation},
+  title     = {{Lattice-Based Group Signature Scheme with Verifier-Local Revocation}},
   booktitle = {{PKC}},
   year      = {2014},
   volume    = {8383},
@@ -2525,4 +2525,22 @@
   pages     = {304--335},
 }
 
+@InProceedings{Ajt96,
+  author    = {Ajtai, Miklós},
+  title     = {{Generating Hard Instances of Lattice Problems}},
+  booktitle = {STOC},
+  year      = {1996},
+  editor    = {ACM},
+  pages     = {99--108},
+}
+
+@InProceedings{FS90,
+  author    = {Feige, Uriel and Shamir, Adi},
+  title     = {{Witness Indistinguishable and Witness Hiding Protocols}},
+  booktitle = {STOC},
+  year      = {1990},
+  editor    = {ACM},
+  pages     = {416--426},
+}
+
 @Comment{jabref-meta: databaseType:bibtex;}