This is not possible due to a limitation in SharePoint. The New-SPCentralAdministration cmdlets doesn't support URLs. See: http://technet.microsoft.com/en-us/library/ff607841.aspx
You can change the URL afterwards: http://www.harbar.net/archive/2013/02/13/Using-SSL-for-Central-Administration-with-SharePoint-2013.aspx
You can change the URL afterwards: http://www.harbar.net/archive/2013/02/13/Using-SSL-for-Central-Administration-with-SharePoint-2013.aspx