The Google Edition Samsung Galaxy S4 got the Android 4.4 KitKat I9505GUEUBMKG OTA today, you can find download link to the OTA here. The OTA requires you to be on stock recovery, but you can now flash Android 4.4 KitKat on your Google Edition Samsung Galaxy S4 using Odin as well.
Xda member SamuriHL has created an Odin flashable tar for you, all you need to do is download the tar file and flash it using Odin. Please note the firmware in this tar file is already rooted.
For more details and download links click here.