Random Number Generator

Is there a random number generator in oracle that I could call from my programs?

connect (as sys user)
@dbmsoctk.sql
@prvtoctk.plb
@dbmsrand.sql

exit

Test the package in sql plus as a normal user
SQL> execute dbms_random.initialize(123123);

PL/SQL procedure successfully completed.

SQL> select dbms_random.random from dual;

RANDOM
---------
997342005



exec DBMS_RANDOM.TERMINATE;