Use the external keyword along with the redistribute command to redistribute OSPF external routes.
In order to use an prefix-list in a "match" statement, we have to use the command "match ip address prefix-list ...". The syntax of a "match" statement is as follows:
match ip address {access-list-number [access-list-number... | access-list-name...] | access-list- name [access-list-number...| access-list-name] | prefix-list prefix-list-name [prefix-list-name...]} Reference:
https://www.cisco.com/c/en/us/td/docs/ios/iproute_pi/command/reference/iri_book/iri_pi1.html