$ sudo apt-get update
$ sudo apt-get install libpgsql-9.3-asn1oid 

libpgsql-9.3-asn1oid is installed in your system.

Make ensure the libpgsql-9.3-asn1oid package were installed using the commands given below,

$ sudo dpkg-query -l | grep libpgsql-9.3-asn1oid *

You will get with libpgsql-9.3-asn1oid package name, version, architecture and description in a table

libpgsql-9.3-asn1oid package basic information: