Enterprise Portal for Microsoft Dynamics AX 2012 R2 now supports SharePoint 2013
For details on prerequisites required in order to deploy Enterprise Portal integrating with Microsoft Dynamics AX 2012 R2 on Microsoft SharePoint Server/Foundation 2013 have TechNet article: http://technet.microsoft.com/en-us/library/dn169057.aspx
Install Steps for SharePoint 2013
The linked article apply to SharePoint Foundation 2013 and SharePoint Server 2013 http://technet.microsoft.com/en-us/library/cc262243.aspx
Updates for SharePoint 2013
Follow this URL to get software updates for SharePoint Foundation 2013 & SharePoint Server 2013 http://technet.microsoft.com/en-us/sharepoint/jj891062.aspx
