(14.5k●6●14)
Jun 16 '15, 2:49 a.m.
A simple Google search should give you the answer. Here are a couple depending on which CA you're going to use (the steps are the same anyway).
https://ssl.trustwave.com/support/create-csr-ibm-websphere.php
https://www.digicert.com/csr-creation-ibm-websphere.htm