On the employees Payslip use the Add Super button, then select RESC and enter the Amount.
This will be reported as Super type R for STP reporting.
The RESC amount will be added to the Super Via Fund report ready to be processed to the Super Clearing House.
If you only wish to report the RESC amount and not pay the amount through Microkeeper, then:
Do this in an Adhoc Payrun so it can be isolated by Payment Date when reporting.