This article will go into detail on how to generate certificate signing request on Plesk Server Administrator 7
-----BEGIN CERTIFICATE REQUEST-----
MIIBSzCB9gIBADCBkDELMAkGA1UEBhMCVVMxDjAMBgNVBAgTBVRleGFzMQ4wDAYD
....
HNX2uFXghrjBJw3mtZ36JhG7cLeWZK7B+4dmOL4f2ToreSW946wQMxK5ZYYOK68=
-----END CERTIFICATE REQUEST-----